# Trace analysis

{
  "id": "S86000507",
  "title": "Trace analysis",
  "url": "/topics/S86000507",
  "kind": "topic-directory",
  "aeo_cohort": "topic-directory",
  "provider": "lcsh",
  "revision": "b1559de821d3babf",
  "catalogue_revision": "f050b5d4780b1289",
  "numeric_address": "14447697155365946884",
  "address_version": "morton4x16-v1",
  "coordinates": [
    0,
    20,
    33037,
    60416
  ],
  "answer_status": "Directory metadata; local answer requires separate source review",
  "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap"
}

Here are entered works on analysis of microgram concentrations of elements and substances. Works on the analysis of submicrogram concentrations of elements and substances are entered under [Ultratrace analysis.]

Directory metadata is not a factual answer or evidence of a global knowledge gap.

Source: https://id.loc.gov/authorities/subjects/sh86000507

No owner-reviewed local answer yet.